| Cover | Feb. 18, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 18, 2022 |
| Entity File Number | 001-38248 |
| Entity Registrant Name | RumbleOn, Inc. |
| Entity Central Index Key | 0001596961 |
| Entity Tax Identification Number | 46-3951329 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 901 W. Walnut Hill Lane |
| Entity Address, City or Town | Irving |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75038 |
| City Area Code | (214) |
| Local Phone Number | 771-9952 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class B Common Stock, $0.001 par value |
| Trading Symbol | RMBL |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
